CA1045824A - Process for the production of steel with increased ductility - Google Patents

Process for the production of steel with increased ductility

Info

Publication number
CA1045824A
CA1045824A CA224,809A CA224809A CA1045824A CA 1045824 A CA1045824 A CA 1045824A CA 224809 A CA224809 A CA 224809A CA 1045824 A CA1045824 A CA 1045824A
Authority
CA
Canada
Prior art keywords
melt
calcium
steel
agent
sulfur
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA224,809A
Other languages
English (en)
French (fr)
Inventor
Jochen Wendorff
Edgar Spetzler
Heinrich-Wilhelm Rommerswinkel
Wilhelm Klapdar
Helmut Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thyssen Niederrhein AG
Original Assignee
Thyssen Niederrhein AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thyssen Niederrhein AG filed Critical Thyssen Niederrhein AG
Application granted granted Critical
Publication of CA1045824A publication Critical patent/CA1045824A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Battery Electrode And Active Subsutance (AREA)
CA224,809A 1974-04-20 1975-04-16 Process for the production of steel with increased ductility Expired CA1045824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742419070 DE2419070B2 (de) 1974-04-20 1974-04-20 Verfahren zur herstellung von stahl mit erhoehten zaehigkeitseigenschaften

Publications (1)

Publication Number Publication Date
CA1045824A true CA1045824A (en) 1979-01-09

Family

ID=5913413

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,809A Expired CA1045824A (en) 1974-04-20 1975-04-16 Process for the production of steel with increased ductility

Country Status (19)

Country Link
US (1) US3992195A (es)
JP (1) JPS586762B2 (es)
AR (1) AR208310A1 (es)
AT (1) ATA260675A (es)
AU (1) AU8007875A (es)
BE (1) BE828017A (es)
BR (1) BR7502379A (es)
CA (1) CA1045824A (es)
DD (1) DD117696A5 (es)
DE (1) DE2419070B2 (es)
ES (2) ES436758A1 (es)
FR (1) FR2268080B1 (es)
GB (1) GB1479222A (es)
IN (1) IN141094B (es)
IT (1) IT1037476B (es)
NL (1) NL171174B (es)
PL (1) PL112471B1 (es)
SE (1) SE424561B (es)
ZA (1) ZA752178B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31676E (en) 1982-09-29 1984-09-18 Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG Method and apparatus for dispensing a fluidizable solid from a pressure vessel

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123258A (en) * 1974-04-20 1978-10-31 Thyssen Niederrhein Process for the production of steel with increased ductility and for the desulfurization of a steel melt
US4180397A (en) * 1977-09-15 1979-12-25 British Steel Corporation Machinable steel
LU80692A1 (de) * 1978-12-21 1980-07-21 Arbed Verfahren und vorrichtung zum entschwefeln von eisenschmelzen
US4238227A (en) * 1979-06-27 1980-12-09 United States Steel Corporation Cleansing of steel by gas rinsing
JPS58104131A (ja) * 1981-12-16 1983-06-21 Hitachi Ltd 溶湯の脱りん法
GB2118209B (en) 1982-02-12 1986-06-04 Showa Denko Kk Refining agent of molten metal and methods for producing the same
JPH02166217A (ja) * 1988-12-20 1990-06-26 Metal Res Corp:Kk 低炭素鉄クローム合金の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803533A (en) * 1954-05-03 1957-08-20 Union Carbide Corp Method of injecting fluidized powders for metallurgical treatment
US3258328A (en) * 1962-08-23 1966-06-28 Fuji Iron & Steel Co Ltd Method and apparatus for treating steel
GB1156845A (en) * 1966-08-16 1969-07-02 Foseco Int Improvements in or relating to Metal Casting.
GB1206062A (en) * 1967-10-18 1970-09-23 Nippon Kokan Kk Deoxidation method
DE1758250B1 (de) * 1968-04-29 1971-10-28 Sueddeutsche Kalkstickstoff Mittel zum Entschwefeln von Eisenschmelzen
BE795333A (fr) * 1972-03-01 1973-05-29 Thyssen Niederrhein Ag Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre
US3876421A (en) * 1972-11-09 1975-04-08 Nippon Steel Corp Process for desulfurization of molten pig iron

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31676E (en) 1982-09-29 1984-09-18 Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG Method and apparatus for dispensing a fluidizable solid from a pressure vessel

Also Published As

Publication number Publication date
IT1037476B (it) 1979-11-10
ES211636Y (es) 1976-10-16
DE2419070A1 (de) 1975-10-30
ATA260675A (de) 1978-02-15
AR208310A1 (es) 1976-12-20
DE2419070B2 (de) 1976-03-04
ES436758A1 (es) 1977-01-01
US3992195A (en) 1976-11-16
NL7504253A (nl) 1975-10-22
FR2268080B1 (es) 1979-07-13
DD117696A5 (es) 1976-01-20
PL112471B1 (en) 1980-10-31
GB1479222A (en) 1977-07-06
SE7504365L (sv) 1975-10-21
NL171174B (nl) 1982-09-16
BR7502379A (pt) 1976-12-28
SE424561B (sv) 1982-07-26
FR2268080A1 (es) 1975-11-14
JPS50143715A (es) 1975-11-19
ZA752178B (en) 1976-04-28
AU8007875A (en) 1976-10-14
ES211636U (es) 1976-05-16
JPS586762B2 (ja) 1983-02-07
BE828017A (fr) 1975-08-18
IN141094B (es) 1977-01-15

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